Ferromanganic
亚铁锰(根)(指含有二价铁与三价锰)
🗣️ 情景例句
Two weeks. I said I could do it in two weeks, and I did it.
两周。我说过我两周就能完成， 现在我做到了。
What are you doing next week?
下周你干什么？
The answer is easy! said the doctor.
“答案很简单！”医生说。